Home / 66,203,235.12-91,359,032.28-38,327,127.12

Finding the Fourth Proportional to 66,203,235.12, 91,359,032.28 and 38,327,127.12

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Solution

The fourth proportional to 66,203,235.12, 91,359,032.28 and 38,327,127.12 is: 52,890,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,203,235.12 : 91,359,032.28 = 38,327,127.12 : x
  2. Step 2: Convert to fraction form
    66,203,235.12/91,359,032.28 = 38,327,127.12/x
  3. Step 3: Cross multiply
    66,203,235.12x = 91,359,032.28 × 38,327,127.12
  4. Step 4: Simplify right side
    66,203,235.12x = 3,501,529,243,755,743
  5. Step 5: Solve for x
    x = 3,501,529,243,755,743/66,203,235.12
  6. Step 6: Final answer
    x = 52,890,606.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.